APA (7e ed.) Bronvermelding

Não informado. (2001). Annual report of the Bureau of Science, Philippine Islands. Bureau of Science.

Chicago (17e ed.) Bronvermelding

Não informado. Annual Report of the Bureau of Science, Philippine Islands. Manila: Bureau of Science, 2001.

MLA (8e ed.) Bronvermelding

Não informado. Annual Report of the Bureau of Science, Philippine Islands. Bureau of Science, 2001.

Let op: Deze citaties zijn niet altijd 100% accuraat.